Photographic Pentahydrate Sodium Thiosulfate

Photographic Pentahydrate Sodium Thiosulfate, also known as sodium thiosulfate pentahydrate or hypo, is a chemical compound commonly used in the field of photography. It is classified under the supply class Photographic Supplies in the supply group Photographic Equipment.

Photographic Pentahydrate Sodium Thiosulfate is primarily used as a fixing agent in photographic processing. It is used to remove the unexposed silver halide from photographic film or paper, thereby preventing further exposure and ensuring the image remains stable.

The compound is available in the form of white crystals or powder. It is highly soluble in water, making it easy to dissolve and use in the photographic development process.

When using Photographic Pentahydrate Sodium Thiosulfate, it is important to follow proper safety precautions, such as wearing protective gloves and goggles, as it can cause skin and eye irritation. It should also be stored in a cool, dry place away from direct sunlight.

Overall, Photographic Pentahydrate Sodium Thiosulfate is an essential component in the field of photography, playing a crucial role in the development and fixation of images.